AbstractThe scientific objectives of the Improved Stratospheric and Mesospheric Sounder (ISAMS) experiment involve the measurement of global temperature and composition profiles from an instrument on the Upper Atmosphere Research Satellite (UARS). This paper discusses these objectives in the light of the data acquired during the first ten months of the mission. Interesting interim results include detailed observations of a stratospheric sudden warming and a nitrogen dioxide (NO2) “Noxon cliff”, enhanced thermospheric nitric oxide (NO) production during a solar flare, strongly increased concentrations of carbon monoxide (CO) over the winter poles, non-LTE behaviour of mesospheric water vapour (H2O), and unexpected transport properties of volcanic aerosol, and the long-lived tracers methane (CH4) and nitrous oxide (N2O).


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    Title :

    Stratospheric and mesospheric observations with ISAMS


    Contributors:

    Published in:

    Publication date :

    1994-01-01


    Size :

    12 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    Stratospheric and Mesospheric Observations with ISAMS

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    Stratospheric and mesospheric carbon monoxide. First results from the validation of the isams measurements at 4.6 μm

    López-Valverde, M.A. / López-Puertas, M. / Marks, C.J. et al. | Elsevier | 1994


    Stratospheric and Mesospheric Carbon Monoxide. First Results from the Validation of the ISAMS Measurements at 4.6 m

    Lopez-Valverde, M. A. / Lopez-Puertas, M. / Marks, C. J. et al. | British Library Conference Proceedings | 1994